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Oil, gas industry. The mechanic - the repairman, gas production operator opens the valve, gas equipment and fitting, toned.
Auto parts, engine cooling pump in water splash on blue gradient background
Water pump icon. Such as lobe, submersible sewage, centrifugal, screw, high pressure. Powered by electric motor. Using for water supply infrastructure, wastewater treatment, irrigation, plumbing etc.
Pump breast milk on the bed.
manometer pipes and valve in water pump station

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